30981288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 84268800

約数和(自身を除く): 53287512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 654, 872, 911, 1308, 1417, 1822, 2616, 2733, 2834, 3644, 4251, 5466, 5668, 7288, 8502, 10932, 11336, 11843, 17004, 21864, 23686, 34008, 35529, 47372, 71058, 94744, 99299, 142116, 198598, 284232, 297897, 397196, 595794, 794392, 1191588, 1290887, 2383176, 2581774, 3872661, 5163548, 7745322, 10327096, 15490644, 30981288]

約数ペア:

[(1, 30981288), (2, 15490644), (3, 10327096), (4, 7745322), (6, 5163548), (8, 3872661), (12, 2581774), (13, 2383176), (24, 1290887), (26, 1191588), (39, 794392), (52, 595794), (78, 397196), (104, 297897), (109, 284232), (156, 198598), (218, 142116), (312, 99299), (327, 94744), (436, 71058), (654, 47372), (872, 35529), (911, 34008), (1308, 23686), (1417, 21864), (1822, 17004), (2616, 11843), (2733, 11336), (2834, 10932), (3644, 8502), (4251, 7288), (5466, 5668)]